ABL1 and chronic myelogenous leukemia, BCR-ABL1 positive: As shown previously, BCR/ABL-GFP induced murine CML-like MPD is characterized by high white blood cell (WBC) counts with granulocyte predominance, hepatosplenomegaly and pulmonary hemorrhages owing to extensive granulocyte infiltration and extramedullary hematopoiesis (data not shown).